20337550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13121}}^1$

素因数の和:13164

約数の個数: 24

約数和(自身を含む): 39051072

約数和(自身を除く): 18713522

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13121, 26242, 65605, 131210, 328025, 406751, 656050, 813502, 2033755, 4067510, 10168775, 20337550]

約数ペア:

[(1, 20337550), (2, 10168775), (5, 4067510), (10, 2033755), (25, 813502), (31, 656050), (50, 406751), (62, 328025), (155, 131210), (310, 65605), (775, 26242), (1550, 13121)]